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The Supertech Inconel exhaust valve set for Alfa Romeo Q4 16V Turbo engines includes eight tapered 28.4×6.97×125.5mm exhaust valves supplied as a matched set. Intended for complete head rebuilds or full exhaust-side refreshes on Q4 16V turbo applications, this set provides direct-fit taper-style valves sized to restore consistent exhaust valvetrain dimensions across the bank.
Supertech Alfa Romeo Q4-16V Turbo 28.4x6.97x125.5mm Tapered Inconel Exhaust Valve - Set of 8
